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Title 27

Displaying title 27, up to date as of 10/09/2026. Title 27 was last amended 9/25/2026.
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Employer Identification Number

§ 24.45 Use on returns.

The employer identification number (as defined at 26 CFR 301.7701-12) of the taxpayer who has been assigned such a number will be shown on each return filed pursuant to the provisions of this part, including amended returns. Failure of the taxpayer to include the employer identification number on any return filed pursuant to the provisions of this part may result in the assertion and collection of the penalty prescribed in 27 CFR 70.113 of this chapter. (Pub. L. 87-397, 75 Stat. 828, as amended (26 U.S.C. 6109, 6676))

(Approved by the Office of Management and Budget under control number 1512-0492)

[T.D. ATF-299, 55 FR 24989, June 19, 1990, as amended by T.D. ATF-301, 55 FR 47605, Nov. 14, 1990]

§ 24.46 Application.

(a) An employer identification number will be assigned pursuant to application on Internal Revenue Service (IRS) Form SS-4 filed by the taxpayer. IRS Form SS-4 may be obtained from the director of the service center or from any district director.

(b) An application on IRS Form SS-4 will be made by the taxpayer who, prior to filing the first return, has neither secured nor made application for an employer identification number. An application on IRS Form SS-4 will be filed on or before the seventh day after the date on which the first return is filed.

(c) Each taxpayer shall make application for and be assigned only one employer identification number, regardless of the number of places of business for which the taxpayer is required to file a tax return under the provisions of this part. (Pub. L. 87-397, 75 Stat. 828, as amended (26 U.S.C. 6109))

(Approved by the Office of Management and Budget under control number 1512-0492)

§ 24.47 Execution of IRS Form SS-4.

(a) Preparation. The application on IRS Form SS-4, together with any supplementary statement, will be prepared in accordance with the form instructions and applicable regulations. The application will be filed with the director of the internal revenue service center as instructed on the Form SS-4.

(b) Signature. The application will be signed by:

(1) The individual, if the taxpayer is an individual; or,

(2) The president, vice president, other principal officer, or other person authorized to sign, if the taxpayer is a corporation; or,

(3) A responsible and duly authorized member or officer having knowledge of its affairs, if the taxpayer is a partnership or other unincorporated organization; or,

(4) The fiduciary, if the taxpayer is a trust or estate. (Pub. L. 87-397, 75 Stat. 828, as amended (26 U.S.C. 6109))

(Approved by the Office of Management and Budget under control number 1512-0492)